1 Dorsal fins are found on the back of the fish. 2  There may be up to three of them. 3  The fish uses this fin for balance in the water and sudden movements. 4  Caudal fins are also known as tail fins.5  This is what we refer to as the fish's tail. 6  Anal fins are on the ventral (bottom) surface of the fish, behind the anus. Dorsal fins are found on the back of the fish. 2  There may be up to three of them. 3  The fish uses this fin for balance in the water and sudden movements. 4  Caudal fins are also known as tail fins.
The oxidation number for phosphorus is +3: four covalent bonds with oxygen atoms yield +4 and the central charge yields -1. The oxidation numbers of oxygen and hydrogen are -2â¦ and +1 respectively. The oxidation number of the overall ion is -1.
Oxidation number is a concept that refers to atoms not molecules. The oxidation number of S in S8 is zero. The oxidation number of an atom in the pure element is always 0.S â¦ 8 is a form of sulfur, the most commonly encountered, there are many other forms (allotropes). The oxidation number of S in any of its allotrpes is zero.1 person found this useful.xidation number is a concept that refers to atoms not molecules. The oxidation number of S in S8 is zero. The oxidation number of an atom in the pure element is always 0.